1601416493 has 2 divisors, whose sum is σ = 1601416494. Its totient is φ = 1601416492.

The previous prime is 1601416459. The next prime is 1601416543. The reversal of 1601416493 is 3946141061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1139940169 + 461476324 = 33763^2 + 21482^2 .

It is a cyclic number.

It is not a de Polignac number, because 1601416493 - 2⁸ = 1601416237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601406493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800708246 + 800708247.

It is an arithmetic number, because the mean of its divisors is an integer number (800708247).

Almost surely, 2^1601416493 is an apocalyptic number.

It is an amenable number.

1601416493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601416493 is an equidigital number, since it uses as much as digits as its factorization.

1601416493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1601416493 is about 40017.7022453814. The cubic root of 1601416493 is about 1169.9521477008.

The spelling of 1601416493 in words is "one billion, six hundred one million, four hundred sixteen thousand, four hundred ninety-three".